07-05-2006, 12:47 PM
Join Date: Aug 2004
Location: Somewhere in the swamps of Jersey
Post Thanks: 34
Thanked 446 Times in 385 Posts
Since Verizon phones work in few places outside of North America, it is not uncommon to make a switch to a GSM based carrier before going overseas.
You do not need to delete and re-add them. If you are using Desktop Manager, when they connect the BB, they are asked if they want to change PINs. If they reply Yes, their new (International capable) BB is now put in service.